Jack.



" Y VPA'AEBNTED Amefleti'il B. J. CARBER'RY.

. JACK.

APPLICATION rnnn 2 :13.12, 1907:

IJTGZrZa gPg JACK.

To all whom it may concern:

Be it known that I, EDWARD J. CARBERRY, a citizen of the United States, residing at Worcester, in the county of Worcester and State of Massachusetts, have invented a new and useful Jack, of which the followiiig is a specification.

The principal objects of this invention are to provide an electric or other car or vehicle with a jack so mounted and constructed that while ordinarily being carried in a position where it is entirely out of the way it will be so located that it can be brought into position for effective use in a most simple and convenient manner; to provide means whereby the same can be operated by hand or by power; to provide a construction in which the parts .cannot become separated'or easily broken in the ordinary operation of the vehicle or ack; to provide means whereby the slipping of the {wheels will result in giving the jack a firmer hold; and generally to improve the construction and operation of devices of this character.

I Reference is to be had to the accompanying drawg's, in which I Figure 1 is a central longitudinal sectional view of a portion of a car showing a jack mounted thereon and truc'ted in accordance with this invention, Fig. 2 horizontal sectional view of the same on the line inarily electric and more jacks which other cars are provided with are carried in the car under be carried to either end lift the body from the order to overcome the well-known inconvenience.

jacks in such a manner, and to profor-more efficient operation of the jack for serving purpose, I have provided means whereby a jack is ently but movably connected with the bottom car, automobile,'or the like in such position that can ra dilfbe placed in position for use in case of accident.

Ifl -tle form f the car is provided, preferably at the front 'ack, with a hanger-plate ilmhaving a bearing 11. his bearing is pivotally mounted a head 12 forming 5 the upper partof the jack. The bottom part 13 of the jack is connected with the head by a screw 14 in any i desired way. In the form shown this screw is mounted in the ordinary way in the bottom section of the jack, which has a counter-sunk opening to receive it, and is provided at the top with an annular groove 15, while I the head of the jack is provided with one or more pins 16 entering said groove to hold the jack screw in proper position in the head, and permit it to turn therein. When the screw is turned in one direction it is obvious that the head and bottom of of the invention illustrated the bottom I and Specification of Letters Patent.

. compressed air, or in any other desired way, is mounte any event is hung in bearings .4

On into registration the jaclr will be separated I I UNITED STATES arents ,O'FEIOE.

EDWARD .T.'OARBERRY, OF WORCESTER, MASSACHUSETTS.

Patented Aug. 6, 1907.

Serial No. 356,979.

and the head lifted if the bottom bears on the ground as it is designed to do. If the screw is accidentally turned too far up so that it leaves the screw-threaded opening in the bottom of the jack, the end of the screw will be retained in the counter-sunk opening at the top. This prevents the screw from being entirely disengaged from the jack.

The jack screw may be operated in any desired way,

but it is preferably provided with a worm-wheel 17 which is designed to be operated by a worm I shaft 19. If this shaft is designed to be operated by power a motor 20, which may be operated by electricit on the shaft. The shaft in 21 which depend from the bottom of the car, and conse;

quently the shaft moves with the car body, and the" worm remains in mesh with the worm wheel during operation of the jack.

If it is desired'to operate the jack by hand,,the shaft is provided with a square end 22, 'on which a wrench may be placed to operate the shaft. This square end is preferably provided, even whenthe ihoteris us so that it can be operated I I aged as to be inoperative. i I In order that the jack may get a firm hold on the ground, its lower surface is provided with irregularities or corrugations 24. Furthermore, it will be obvious that ii upon the starting of the jack into operation afte it is placed in proper position therefor, the car or other vehicle should start to move, there will be a tendency to turn the jack on one of its corners. In order to pro-' vide for preventing slipping in case such an action occurs, one corner of the bottom of the jack is provided with additional corrugations or irregularities 25 to permit the same to get a firm hold even when tilted as-described by the movement of the vehicle. For the purpose of holding the jack in position where it will be out of the way during the ordinary use of the car or other vehicle, a bracket 26 is mounted in any convenient position and supported from the car bottom.. This bracket is provided with an eye 27, and the bottom of the jack is provided with an eye 28 adapted to come with the eye on jack is tilted up into the position indicated in dottedlines in Fig. 1. The jack is held in this position by means of a pin 29 passing through the eyes. Of course in this position the worm-wheel is drawn away irom'the worm. When the device is to-be used the pin is withdrawn and the jack may be lowered down in proper position for operation as indicated in the drawings. If desired the top surface of the head of the jack may be roughened to secure a better hold on the hanger-plate. While I have illustrated and described a preferred form of the invention, I am aware that modifications may be made therein within the scope of the invention 18 on a I the bracket when the I as expressed in the claims. Therefore I do not wish to be limited to the particular form shown, but

What I do claim is:

1. The combination with a railway car, of a lifting jack supported from the bottom thereof and movable to operative and inoperative position, and means supported by the car for operating the jack, said means being operatively connected with the jack when in position -to lift the car and disconnected therefrom when not in position.

2. The combination with a vehicle, of a hanger-plate secured to the bottom thereof, a jack movably connected with said hanger-plate, a bracket mounted on the vehicle at one side of the hanger-plate, said bracket having an eye, said jack having an eye adapted to register with the eye of the bracket, and a pin adapted to pass through said eyes and hold said jack up from the ground.

3. The combination with a vehicle, of a hanger-plate carried thereby, a jack pivotally supported by said hangerplate, said jack comprising a jack-screw having a wormwheel thereon, a shaft, a motor on the shaft, a worm also mounted on the shaft and adapted to engage said -wormwheel, and bearings supported by the vehicle for said shaft.

4. The combination with a railway car, of a jack sup ported therefrom, a shaft supported by the car, and a rotary motor on the shaft for operating the jack, said jack being movable to and from the shaft and operatively connected with the shaft by being moved into engagement therewith.

5. The combination with a railway car, of a movable jack, power mechanism for operating the jack carried by the car, and means for connecting said power mechanismwith the jack and disconnecting it therefrom controlled by the position of the jack.

6. The combination with a railway car of a jack movubly supported therefrom, said jack comprising a jackscrew having a worm-wheel thereon, a motor, a worm counected with the motor and adapted to engage the wormwheel, and means on the car-for supporting the motor and worm. I

T. The combination with a vehicle of a jack movably supported thereby, said jack comprising a head connected with the vehicle, a bottom part, a jack-screw adapted to move the head and bottom part toward and from each other, a uwn-nrwheel on the jack-screw, and means supported by the vehicle for continuously rotating the wormwheel and jaelescrew. I

S. The combination with a vehicle, of a jack supported from the body thereof, bearings mounted in fived position and supported by said body. a shaft mounted in said bearings. and means connected with said shaft for operating said jack.

9. The combination with a vehicle, of bearings fixed to the body thereof, a shaft mounted in said bearings, and a jack movably supported by the body of the vehicle and adapted to be operated from said shaft.

11). The combination with a vehicle of bearings fixed to the body thereof. a shaft mounted in said bearings, a jack movably supported by the body of the vehicle and adapted to be operated from said shaft, and means on said shaft for operaiim. the screw of said jack. said shaft having means connected therewith for operating it either by power or by hand.

11. The combination with a vehicle, of a jack comprising a body and a bottom part, the top part being movably connected with, and supported by, the body of said vehicle, a jack-screw connecting the top and bottom parts thereof. and means for rotating the jack-screw, the bottom part of said jack having a roughened surface on one of its lower corners at an angle to its bottom surface.

In testimony whereof I have hereunto set my hand, in the presence of two subscribing witnesses.

EDWARD J. CAItBERRY.

Witnesses Atmcn'r E. FAY, C. FORREST \VussoN. 

